Microsoft Flight Simulator

Microsoft Flight Simulator pairs the AMD Ryzen 9 7900X with the AMD Radeon RX 7900 XTX in a configuration that ranks 463rd out of 3,714 tested combos, placing it in the top 12.5% of all system pairings. The data reveals a component pairing that delivers consistently playable frame rates across all tested presets, though the scaling patterns expose distinct bottlenecks depending on resolution and settings. This analysis interprets the measured FPS rows to determine optimal settings, the respective roles of the GPU and CPU, and how this specific combination behaves under varying loads.

Settings Recommendations

For this specific hardware pairing in Microsoft Flight Simulator, the measured data shows that the Ultra preset provides the most demanding experience, while Low offers the highest performance ceiling. At 1920x1080, the Ultra preset averages 107 FPS, which drops to 86 FPS at 2560x1440 and further to 64 FPS at 3840x2160. The High preset sits slightly higher, with averages of 112 FPS at 1080p, 91 FPS at 1440p, and 67 FPS at 4K. The Medium preset delivers the best balance of visual quality and performance, yielding 149 FPS at 1080p, 120 FPS at 1440p, and 89 FPS at 4K, with the only complete min/max data in the pack showing a 4K range of 76 to 102 FPS.

The recommendation hinges on the user's target resolution. For 1080p and 1440p displays, the Medium preset is the clear choice, as it maintains frame rates well above 120 FPS at 1080p and hits exactly 120 FPS at 1440p, which aligns with high-refresh-rate monitors. At 4K, the Medium preset's 89 FPS average is the highest among the visually enhanced presets (High and Ultra), and its minimum of 76 FPS suggests acceptable frame pacing for a flight simulator. The Low preset, while reaching 192 FPS at 1080p, 155 FPS at 1440p, and 114 FPS at 4K, sacrifices too much visual fidelity for a game where terrain detail and cockpit readability are paramount. The data implies that Medium is the sweet spot, offering a 33% improvement over Ultra at 4K (89 vs 64 FPS) while retaining more graphical features than Low.

GPU Role

The AMD Radeon RX 7900 XTX brings substantial memory resources to this flight simulator, featuring 24 GB of GDDR6 memory on a 384-bit bus, delivering 960.0 GB/s of bandwidth. This capacity is critical for Microsoft Flight Simulator, which streams vast amounts of terrain and scenery data; the high bandwidth ensures that texture loading at 4K resolution does not become a limiting factor. The GPU's clock behavior shows a base of 1929 MHz, a game clock of 2365 MHz, and a boost of 2498 MHz, with memory running at 2500 MHz (20 Gbps effective). These clocks translate to a pixel rate of 479.6 GPixel/s and a texture rate of 959.2 GTexel/s, figures that support the measured FPS at high resolutions.

The GPU's synthetic benchmark scores provide context for its in-game performance. The PassMark G3D score of 31,238 places it in the 64th percentile among all GPUs, though its nearest rivals in the database are notably older or lower-tier cards like the NVIDIA GeForce GTX 1060 3 GB (0.4% ahead) and the NVIDIA TITAN Xp (1.2% behind). This suggests that while the RX 7900 XTX is powerful in absolute terms, its measured game performance in this specific title may not fully reflect its theoretical capabilities, possibly due to CPU limitations or game engine optimization. The GPU's 3DMark Steel Nomad DX12 score of 6,841 and Geekbench OpenCL score of 50,465 reinforce its raw compute strength, but the game data shows that at 1080p, the frame rate differences between settings are relatively modest—ranging from 107 FPS at Ultra to 192 FPS at Low—indicating that the GPU is not the sole bottleneck at lower resolutions.

Resolution Scaling

The FPS scaling from 1080p to 4K reveals a clear shift in bottleneck behavior. At Ultra settings, the average frame rate drops from 107 FPS at 1080p to 86 FPS at 1440p (a 19.6% decrease), and then to 64 FPS at 4K (a 25.6% decrease from 1440p). The High preset shows a similar pattern: 112 FPS at 1080p, 91 FPS at 1440p (down 18.8%), and 67 FPS at 4K (down 26.4%). The Low preset exhibits the steepest absolute drop, falling from 192 FPS at 1080p to 155 FPS at 1440p (down 19.3%) and then to 114 FPS at 4K (down 26.5%). The Medium preset follows the same trend, with 149 FPS at 1080p, 120 FPS at 1440p (down 19.5%), and 89 FPS at 4K (down 25.8%).

The consistency of these percentage drops across all settings—roughly 19-20% from 1080p to 1440p and 26% from 1440p to 4K—points to a balanced system where neither component is dramatically oversupplied for the other. The fact that the drop from 1440p to 4K is steeper than the drop from 1080p to 1440p suggests that the GPU begins to become more of a limiting factor at 4K, particularly at Ultra settings where the 4K average of 64 FPS is the lowest measured. However, the relatively small absolute difference between 1080p Ultra (107 FPS) and 4K Ultra (64 FPS) indicates that the CPU is still contributing significantly to performance at lower resolutions, preventing the GPU from being fully saturated. This balance implies that users with high-refresh 1440p monitors will see the best return, while 4K users must accept either Medium settings for 89 FPS or Ultra for 64 FPS.

How This Combo Ranks

The combination of the AMD Ryzen 9 7900X and AMD Radeon RX 7900 XTX achieves a rank of 463 out of 3,714 tested combos in Microsoft Flight Simulator, positioning it in the 87.5th percentile of all system pairings. This is a strong showing, but the ranking suggests that many other combinations—likely those with higher-end GPUs or CPUs with better single-thread performance—deliver higher frame rates in this specific title. The CPU alone sits in the 91st percentile among all CPUs, with an average benchmark score of 53,288, while the GPU is in the 64th percentile among all GPUs, with an average score of 19,410. The disparity between the CPU's high percentile and the GPU's mid-range percentile is notable.

The GPU's nearest rivals in the synthetic benchmark database are not modern competitors, which is unusual for a card of this caliber. The RX 7900 XTX is only 0.4% behind the NVIDIA GeForce GTX 1060 3 GB and 1.2% ahead of the NVIDIA TITAN Xp, yet those cards are from earlier generations. This suggests that the GPU's average benchmark score is dragged down by its performance in certain compute tests, or that the database's weighting does not favor its architecture. In contrast, the CPU's nearest rivals are server and workstation parts like the AMD EPYC 7313P (0.2% ahead) and the Intel Xeon Phi 7290 (0.3% behind), along with the Intel Core i7-14700F (0.6% behind). The CPU's 12 cores and 24 threads, with a boost clock of 5.60 GHz, clearly position it as a top-tier desktop processor, which is reflected in its high percentile.

CPU Role

The AMD Ryzen 9 7900X is a 12-core, 24-thread processor based on the Zen 4 architecture, manufactured on a 5 nm process by TSMC. Its base clock of 4.70 GHz and boost clock of 5.60 GHz are among the highest in the database, and its 64 MB of shared L3 cache provides ample capacity for the flight simulator's complex scenery calculations. The CPU's 3DMark scores show strong scaling: 1,093 in single-thread, 2,137 in 2-thread, 7,798 in 8-thread, and 12,536 in max-thread tests. This scaling indicates that the CPU benefits from additional cores, but the single-thread score is the most relevant for Microsoft Flight Simulator, which is known to be sensitive to single-core performance.

The CPU's Cinebench R23 scores are 2,016.5 single-core and 29,300 multi-core, with a Geekbench single-core of 2,617 and multi-core of 19,267. The PassMark single-thread score of 4,238 and multi-thread score of 51,406 further confirm its dominance. In the game data, the CPU's influence is most apparent at 1080p, where the frame rates are highest and the GPU is less stressed. At 1080p Low, the system achieves 192 FPS, which is likely near the CPU's limit for this title, as the GPU could theoretically render more frames. The fact that the 1080p Ultra average of 107 FPS is only 44% higher than the 4K Ultra average of 64 FPS, while the pixel count quadruples, indicates that the CPU is not the limiting factor at 4K but is increasingly relevant at lower resolutions. The CPU's 170 W TDP and dual-channel DDR5 memory support (83.2 GB/s bandwidth) provide ample headroom for the game's streaming requirements.

Measured FPS Breakdown

At 1920x1080, the measured averages are 192 FPS on Low, 149 FPS on Medium, 112 FPS on High, and 107 FPS on Ultra. The Medium preset provides a complete data set with a minimum of 127 FPS and a maximum of 172 FPS, showing excellent frame consistency. The gap between Medium and High is 37 FPS (a 24.8% drop), while the gap between High and Ultra is only 5 FPS (a 4.5% drop), suggesting that the Ultra preset is not significantly more demanding than High at this resolution.

At 2560x1440, the averages drop to 155 FPS on Low, 120 FPS on Medium, 91 FPS on High, and 86 FPS on Ultra. The Medium preset again has full min/max data: 102 FPS minimum and 138 FPS maximum. The transition from 1080p to 1440p costs roughly 19-20% of performance across all settings, as noted earlier. The High-to-Ultra gap narrows to 5 FPS (a 5.5% drop), while the Medium-to-High gap is 29 FPS (a 24.2% drop). At 3840x2160, the averages are 114 FPS on Low, 89 FPS on Medium, 67 FPS on High, and 64 FPS on Ultra. The Medium preset's min/max is 76 FPS and 102 FPS, respectively. The Medium-to-High drop is 22 FPS (a 24.7% decrease), while High-to-Ultra is a negligible 3 FPS (a 4.5% decrease). This pattern repeats at every resolution: the Medium preset is the clear performance leader among the visually meaningful settings, while High and Ultra are nearly identical in cost, making Ultra the better choice if visual fidelity is prioritized, as it costs only 3-5 FPS over High.

FAQ

Q: What is the best settings preset for 4K gaming with this combo?

A: The Medium preset at 3840x2160 delivers an average of 89 FPS with a minimum of 76 FPS, which is the highest among the Medium, High, and Ultra presets. Ultra averages 64 FPS, which is playable but 25 FPS lower than Medium.

Q: Is the CPU or GPU more limiting at 1080p?

A: At 1920x1080, the frame rates range from 107 FPS on Ultra to 192 FPS on Low, indicating the GPU is not fully saturated. The CPU's single-thread score of 1,093 in 3DMark and 2,016.5 in Cinebench R23 suggests it is the primary bottleneck at this resolution.

Q: How does this combo rank compared to other tested systems?

A: This pairing ranks 463rd out of 3,714 combos, placing it in the top 12.5% of all tested configurations for Microsoft Flight Simulator.

Q: What is the FPS difference between High and Ultra settings?

A: Across all resolutions, the Ultra preset is only 3-5 FPS slower than High. At 1080p, Ultra averages 107 FPS versus 112 FPS for High; at 1440p, 86 FPS versus 91 FPS; and at 4K, 64 FPS versus 67 FPS.

Q: Does the GPU have enough memory for this game?

A: The RX 7900 XTX features 24 GB of GDDR6 memory with 960.0 GB/s bandwidth, which is more than sufficient for the highest texture loads in Microsoft Flight Simulator, even at 4K resolution.

Q: What is the performance impact of dropping from 1080p to 4K?

A: On the Medium preset, the average FPS drops from 149 at 1080p to 120 at 1440p (a 19.5% decrease) and then to 89 at 4K (a 25.8% decrease from 1440p), indicating a gradual shift toward GPU limitation at higher resolutions.